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Finding the Fourth Proportional to 325,643.37, 449,222.54 and 222,199.98

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Solution

The fourth proportional to 325,643.37, 449,222.54 and 222,199.98 is: 306,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,643.37 : 449,222.54 = 222,199.98 : x
  2. Step 2: Convert to fraction form
    325,643.37/449,222.54 = 222,199.98/x
  3. Step 3: Cross multiply
    325,643.37x = 449,222.54 × 222,199.98
  4. Step 4: Simplify right side
    325,643.37x = 99,817,238,292.55
  5. Step 5: Solve for x
    x = 99,817,238,292.55/325,643.37
  6. Step 6: Final answer
    x = 306,523.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.